CVE-2025-71436Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag
Updated under an hour ago ()
Does this affect you?
It affects librdf Raptor RDF Syntax Library. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
Raptor RDF Syntax Library from 2.0.15 through 2.0.16 contains a heap-based buffer overflow vulnerability in raptor_new_term_from_counted_literal() caused by truncating language tag length to an unsigned char. Attackers can supply Turtle, TriG, N-Triples or N-Quads documents with language tags of 256 bytes or longer to corrupt heap memory, crash applications, and possibly execute code.
- CVSS
- 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
librdf Raptor RDF Syntax Library librdf:raptor_rdf_syntax_library (from the name) | from 2.0.15 through 2.0.16 | CNA record |
References
- https://github.com/dajobe/raptor/issues/83issue-tracking
- https://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575patch
- https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L200-L218technical-description
- https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L270-L287technical-description
- https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.0.16-heap-buffer-overflow-via-language-tagthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.